Podcast
Questions and Answers
Hydrogen is the heaviest element known till date.
Hydrogen is the heaviest element known till date.
False (B)
When hydrogen burns, a pale blue flame and a pop sound are heard.
When hydrogen burns, a pale blue flame and a pop sound are heard.
True (A)
Hydrogen is highly soluble in water.
Hydrogen is highly soluble in water.
False (B)
Sodium is at the top of the reactivity series, giving hydrogen with water.
Sodium is at the top of the reactivity series, giving hydrogen with water.
Hydrogen reacts with metal oxides to form metal and oxygen.
Hydrogen reacts with metal oxides to form metal and oxygen.
Oxidation involves the removal of hydrogen and the addition of oxygen.
Oxidation involves the removal of hydrogen and the addition of oxygen.
Hydrogen molecule is monovalent.
Hydrogen molecule is monovalent.
Nitric acid can be used to prepare hydrogen by its action on active metals.
Nitric acid can be used to prepare hydrogen by its action on active metals.
Zinc can liberate hydrogen from water, acid and alkali solution.
Zinc can liberate hydrogen from water, acid and alkali solution.
Hydrogen is combustible as well as a supporter of combustion.
Hydrogen is combustible as well as a supporter of combustion.
Hydrogen gas is easily liquefiable.
Hydrogen gas is easily liquefiable.
The removal of hydrogen from a substance is called reduction.
The removal of hydrogen from a substance is called reduction.
Flashcards
Is hydrogen the heaviest element?
Is hydrogen the heaviest element?
Hydrogen is the lightest element on the periodic table.
What happens when hydrogen burns?
What happens when hydrogen burns?
Burning hydrogen produces a blue flame and a characteristic popping sound.
Is hydrogen soluble in water?
Is hydrogen soluble in water?
Hydrogen is not very soluble in water, it only dissolves slightly.
What happens when sodium reacts with water?
What happens when sodium reacts with water?
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What happens when hydrogen reacts with metal oxides?
What happens when hydrogen reacts with metal oxides?
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What is oxidation?
What is oxidation?
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Is a hydrogen molecule monovalent?
Is a hydrogen molecule monovalent?
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Can nitric acid be used to prepare hydrogen?
Can nitric acid be used to prepare hydrogen?
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Does zinc liberate hydrogen from water, acid and alkali?
Does zinc liberate hydrogen from water, acid and alkali?
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Is hydrogen a supporter of combustion?
Is hydrogen a supporter of combustion?
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Is hydrogen gas easily liquefiable?
Is hydrogen gas easily liquefiable?
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What is reduction?
What is reduction?
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